Home / 161,045,265.72-222,248,757.78-91,437,123

Finding the Fourth Proportional to 161,045,265.72, 222,248,757.78 and 91,437,123

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Solution

The fourth proportional to 161,045,265.72, 222,248,757.78 and 91,437,123 is: 126,186,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,045,265.72 : 222,248,757.78 = 91,437,123 : x
  2. Step 2: Convert to fraction form
    161,045,265.72/222,248,757.78 = 91,437,123/x
  3. Step 3: Cross multiply
    161,045,265.72x = 222,248,757.78 × 91,437,123
  4. Step 4: Simplify right side
    161,045,265.72x = 20,321,787,001,727,068
  5. Step 5: Solve for x
    x = 20,321,787,001,727,068/161,045,265.72
  6. Step 6: Final answer
    x = 126,186,801.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.